C2122121212121133132213231313231323131323223313232313232222131
  >>
   C212212121212113313221323131323132313132322331323231323222213
  <<
   C2122121212121133132213231313231323131323223313232313232222133
  >>
 
 
 C2122121212121133132213231313231323131323223313232313232222132
  >>